643         semaphore* m_head;  member in boost::atomics::detail::lock_pool::__anon57522a290111::wait_state::semaphore_list
647             m_head(NULL)  in semaphore_list()
654             return m_head == NULL;  in empty()
660             return m_head;  in front()
666             semaphore* sem = m_head;  in eject()
667             m_head = NULL;  in eject()
674             if (m_head)  in push_front()
675                 sem->link_before(m_head);  in push_front()
677             m_head = sem;  in push_front()
684             semaphore* sem = m_head;  in pop_front()
694                 BOOST_ASSERT(m_head == sem);  in erase()
695                 m_head = NULL;  in erase()
699                 if (m_head == sem)  in erase()
700                     m_head = sem->m_next;  in erase()